Run results for: Object literal vs Object.create(null)

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/103.0.5060.114 Safari/537.36

Browser: Chrome 103

Operating system: Windows

Device Platform: Desktop

Date tested: 2 years ago

Test name	Executions per second
Object.create(null)	428.1 Ops/sec
object literal	6010.5 Ops/sec

Tests:

Object.create(null)
const a = []; for (let i = 0; i < 10000; i++) { const o = Object.create(null) o.x = 'a string' o.y = 17 o.z = { m: 'an object', n: 97 } a.push( o ) }
object literal
const a = []; for (let i = 0; i < 10000; i++) { const o = { x: 'a string' } o.y = 17 o.z = { m: 'an object', n: 97 } a.push( o ) }